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The Van's RV-4 is an American light homebuilt aircraft supplied in kit form by Van's Aircraft of Aurora, Oregon. It seats two people in a tandem seating configuration with the pilot accommodated in the front seat.
The Van's RV series has become the most popular kit-built aircraft in the world. , the RV-4 is the fourth most popular RV model.
Specifications (Typical RV-4)
thumb|right|[[Cockpit of an RV-4 in 2006.]]